<?php

class OrderController extends Controller {

    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout = '//layouts/column1';

    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            'accessControl', // perform access control for CRUD operations
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules() {
        return array(
            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions' => array('index', 'view','create', 'update', 'process', 'cancel','admin', 'delete'),
                'users' => array('@'),
            ),
            array('deny', // deny all users
                'users' => array('*'),
            ),
        );
    }

    /**
     * Displays a particular model.
     * @param integer $id the ID of the model to be displayed
     */
    public function actionView($id) {
        $this->render('view', array(
            'model' => $this->loadModel($id),
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {
        $model = new Order;

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['Order'])) {
            $model->attributes = $_POST['Order'];
            if ($model->save())
                $this->redirect(array('view', 'id' => $model->oid));
        }

        $this->render('create', array(
            'model' => $model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id) {
        $model = $this->loadModel($id);

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['Order'])) {
            $model->attributes = $_POST['Order'];
            if ($model->save())
                $this->redirect(array('view', 'id' => $model->oid));
        }

        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id) {
        if (Yii::app()->request->isPostRequest) {
            // we only allow deletion via POST request
            $this->loadModel($id)->delete();

            // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if (!isset($_GET['ajax']))
                $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
        }
        else
            throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
    }

    /**
     * Lists all models.
     */
    public function actionIndex() {
        $criteria = new CDbCriteria();
        $criteria->with = 'user';
        $criteria->order = 't.dateline asc';
        //根據參數設置搜索條件
        $search['paytype'] = $_REQUEST['paytype'];
        $search['status'] = $_REQUEST['status'];
        $search['s'] = $_REQUEST['s'];
        $search['e'] = $_REQUEST['e'];
        $search['username'] = $_REQUEST['username'];
        $search['oid'] = $_REQUEST['oid'];
        if ($search['oid']) {
            $criteria->addCondition('oid=' . (int) $search['oid']);
        }
        if ($search['username']) {
            $criteria->addCondition("user.username='" . $search['username'] . "'");
        }
        if ($search['s']) {
            $criteria->addCondition("t.dateline>='" . $search['s'] . "'");
        }
        if ($search['e']) {
            $criteria->addCondition("t.dateline<'" . $search['e'] . "'");
        }
        if ($search['status']) {
            $criteria->addCondition('t.status=' . (int) $search['status']);
        }
        if ($search['paytype']) {
            $criteria->addCondition('pay_type=' . (int) $search['paytype']);
        }

        $count = Order::model()->count($criteria);
        $pager = new CPagination($count);
        $pager->pageSize = 10;
        $pager->applyLimit($criteria);
        $rowTable = Order::model()->findAll($criteria);
        $this->render('index', array('rowTable' => $rowTable, 'pages' => $pager, 'search' => $search));
    }

    /**
     * Manages all models.
     */
    public function actionAdmin() {
        $model = new Order('search');
        $model->unsetAttributes();  // clear any default values
        if (isset($_GET['Order']))
            $model->attributes = $_GET['Order'];

        $this->render('admin', array(
            'model' => $model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer the ID of the model to be loaded
     */
    public function loadModel($id) {
        $model = Order::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model) {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'order-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

    //處理訂單狀態
    public function actionProcess() {
        $oid = (int) $_POST['oid'];
        $order = $this->loadModel($oid);
        if (in_array($order->status, array(1, 2, 3))) {
            $order->status +=1;
            if ($order->save()) {
                $msg = '訂單更新成功';
                if ($order->status == 2) {
                    //已付款的訂單，增加返點和返購物金記錄
                    Helper::addCoinByOrder($order->oid);
                }
            } else {
                $msg = '訂單更新失敗';
            }
            echo CJSON::encode(array('success' => true, 'msg' => $msg));
        }
    }

    //取消訂單
    public function actionCancel() {
        $oid = (int) $_POST['oid'];
        $order = $this->loadModel($oid);
        $order->status = 5;
        $user = User::model()->findByPk($order->uid);
        $trans = Yii::app()->db->beginTransaction();
        try {
            //訂單主記錄保存
            $order->save();

            if ($order->coin > 0) {
                //從用戶購物金餘額中返還金幣
                $user->coin = $user->coin + $order->coin;
                $user->save();

                //保存coin flow記錄
                $record = new CoinFlow();
                $record->uid = $user->uid;
                $record->type = 1;
                $record->amount = $order->coin;
                $record->flow_type = 1;
                $record->description = '訂單（' . $order->oid . '）取消，返還購物金。';
                $record->save();
            }

            //已付款的訂單，增加返點和返購物金記錄
            Helper::cancelCoinByOrder($order->oid);

            //提交
            $trans->commit();
            $msg = '訂單取消成功';
            Helper::cancelOrderEmail($order->oid);
        } catch (Exception $e) {
            $trans->rollback();
//            echo $e->getMessage();
//            $this->response(array('status' => 1, 'msg' => $e->getMessage()));
            $msg = '訂單取消失敗';
        }
        echo CJSON::encode(array('success' => true, 'msg' => $msg));
    }

}
